33023231011 has 4 divisors (see below), whose sum is σ = 33145088224. Its totient is φ = 32901373800.

The previous prime is 33023230969. The next prime is 33023231047. The reversal of 33023231011 is 11013232033.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 33023231011 - 2¹⁹ = 33022706723 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 33023231011.

It is not an unprimeable number, because it can be changed into a prime (33023231071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60928200 + ... + 60928741.

It is an arithmetic number, because the mean of its divisors is an integer number (8286272056).

Almost surely, 2^33023231011 is an apocalyptic number.

33023231011 is a deficient number, since it is larger than the sum of its proper divisors (121857213).

33023231011 is a wasteful number, since it uses less digits than its factorization.

33023231011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121857212.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 33023231011 its reverse (11013232033), we get a palindrome (44036463044).

The spelling of 33023231011 in words is "thirty-three billion, twenty-three million, two hundred thirty-one thousand, eleven".